<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../vue.global.js"></script>
</head>

<body>
    <div id="app">
        {{searchText}}
        <custom-input v-model="searchText"></custom-input>
    </div>

    <script>
        const root = {
            data() {
                return {
                    searchText: "你妹"
                }
            }
        }
        const app = Vue.createApp(root)

        // app.component('custom-input', {
        //     props: ['modelValue'],
        //     emits: ['update:modelValue'],
        //     template: `
        //     <input
        //     :value="modelValue"
        //     @input="$emit('update:modelValue', $event.target.value)"
        //     >
        //     `
        // })

        app.component('custom-input', {
            props: ['modelValue'],
            emits: ['update:modelValue'],
            template: `<input v-model="value">`,
            computed: {
                value: {
                    get() {
                        return this.modelValue
                    },
                    set(value) {
                        this.$emit('update:modelValue', value)
                    }
                }
            }
        })

        app.mount("#app")
    </script>
</body>

</html>